Description
ISC BIND 9.0.x through 9.8.x, 9.9.0 through 9.9.6, and 9.10.0 through 9.10.1 does not limit delegation chaining, which allows remote attackers to cause a denial of service (memory consumption and named crash) via a large or infinite number of referrals.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | bind9 | 1:9.9.5.dfsg-7 | — |
| Debian 13 | bind9 | 1:9.9.5.dfsg-7 | — |
| Debian 12 | bind9 | 1:9.9.5.dfsg-7 | — |
| Debian 7 | bind9 | 1:9.8.4.dfsg.P1-6+nmu2+deb7u3 | DSA-3094-1 |
| Debian 6.0 | bind9 | 1:9.7.3.dfsg-1~squeeze13 | DLA-112-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | bind9 | 1:9.9.5.dfsg-3ubuntu0.1 | USN-2437-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | bind +9 | 32:9.9.4-14.el7_0.1 | RHSA-2014:1984 |
| RHEL 6 | bind +5 | 32:9.8.2-0.30.rc1.el6_6.1 | RHSA-2014:1984 |
| RHEL 5 | bind +7 | 30:9.3.6-25.P1.el5_11.2 | RHSA-2014:1984 |
| RHEL 5 | bind97 +4 | 32:9.7.0-21.P2.el5_11.1 | RHSA-2014:1985 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6.5 AUS | bind +5 | 32:9.8.2-0.23.rc1.el6_5.2 | RHSA-2016:0078 |
| RHEL 6.4 AUS | bind +5 | 32:9.8.2-0.17.rc1.el6_4.7 | RHSA-2016:0078 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | bind | 9.10.3P4-21.1 | openSUSE-SU-2024:10467-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | bind +9 | 32:9.9.4-14.0.1.el7_0.1 | ELSA-2014-1984 |
| Oracle Linux 7 | bind-libbind-devel +1 | 30:9.3.6-25.P1.el5_11.2 | ELSA-2014-1984 |
Advisories 9
- RHSA-2016:0078 Red Hat Security Advisory: bind security update Red Hat Security Advisories (RHSA) · Oct 10, 2026
- RHSA-2014:1984 Red Hat Security Advisory: bind security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2014:1985 Red Hat Security Advisory: bind97 security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- USN-2437-1 bind9 vulnerability Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-3094-1 bind9 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-112-1 bind9 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10467-1 bind-9.10.3P4-21.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2025-1178 Internet Systems Consortium BIND: Mehrere Schwachstellen ermöglichen Denial of Service BSI CERT-Bund (WID) · May 29, 2025
- ELSA-2014-1984 Important: bind security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Dec 12, 2014
References
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- HPSBUX03235 vendor-advisory
- GLSA-201502-03 vendor-advisory
- 62122 third-party-advisory
- NetBSD-SA2015-002 vendor-advisory
- https://kb.isc.org/article/AA-01216/
- MDVSA-2015:165 vendor-advisory
- openSUSE-SU-2015:1250 vendor-advisory
- SUSE-SU-2015:0480 vendor-advisory
- 62064 third-party-advisory
- http://cert.ssi.gouv.fr/site/CERTFR-2014-AVI-512/index.html
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10676
- DSA-3094 vendor-advisory
- 1031311 vdb-entry
- http://advisories.mageia.org/MGASA-2014-0524.html
- SUSE-SU-2015:0488 vendor-advisory
- VU#264212 third-party-advisory
- 71590 vdb-entry
- http://www.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html
- SUSE-SU-2015:0096 vendor-advisory
- SUSE-SU-2015:0011 vendor-advisory
- USN-2437-1 vendor-advisory
- HPSBUX03400 vendor-advisory
- APPLE-SA-2015-09-16-4 vendor-advisory
- RHSA-2016:0078 vendor-advisory
- https://support.apple.com/HT205219
- https://security.netapp.com/advisory/ntap-20190730-0002/